1 //////////////////////////////////////////////////////////////////////////////// 2 // Scorched3D (c) 2000-2011 3 // 4 // This file is part of Scorched3D. 5 // 6 // Scorched3D is free software; you can redistribute it and/or modify 7 // it under the terms of the GNU General Public License as published by 8 // the Free Software Foundation; either version 2 of the License, or 9 // (at your option) any later version. 10 // 11 // Scorched3D is distributed in the hope that it will be useful, 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 // GNU General Public License for more details. 15 // 16 // You should have received a copy of the GNU General Public License along 17 // with this program; if not, write to the Free Software Foundation, Inc., 18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 19 //////////////////////////////////////////////////////////////////////////////// 20 21 #if !defined(AFX_GLCAMERAFRUSTUM_H__4C341296_0589_46D5_BFD7_3114534F7E2D__INCLUDED_) 22 #define AFX_GLCAMERAFRUSTUM_H__4C341296_0589_46D5_BFD7_3114534F7E2D__INCLUDED_ 23 24 #include <engine/GameStateI.h> 25 #include <common/Vector.h> 26 27 class GLCameraFrustum : public GameStateI 28 { 29 public: 30 static GLCameraFrustum *instance(); 31 32 static Vector FrustrumRed; 33 static Vector FrustrumBlue; 34 static Vector FrustrumGreen; 35 static Vector FrustrumWhite; 36 37 virtual void draw(const unsigned state); 38 39 bool sphereInFrustum(Vector &point, float fRadius = 1, Vector &color = FrustrumWhite); 40 bool sphereInFrustumThreadSafe(Vector &point, float fRadius); 41 void backupFrustum(); 42 void restoreFrustum(); 43 void drawBilboard( 44 Vector &position, Vector &color, float alpha, 45 float width, float height, bool additive, int texCoord); 46 47 Vector &getBilboardVectorX(); 48 Vector &getBilboardVectorY(); 49 getBilboardMatrix()50 float *getBilboardMatrix() { return s.fBilboard; } getViewMatrix()51 float *getViewMatrix() { return s.fView; } 52 53 protected: 54 static GLCameraFrustum *instance_; 55 struct Settings 56 { 57 float frustum_[6][4]; 58 float fProj[16]; 59 float fView[16]; 60 float fClip[16]; 61 float fBilboard[16]; 62 float viewport[4]; 63 float aspect; 64 } s, b; 65 66 void normalize(float vector[4]); 67 68 private: 69 GLCameraFrustum(); 70 virtual ~GLCameraFrustum(); 71 72 }; 73 74 #endif // !defined(AFX_GLCAMERAFRUSTUM_H__4C341296_0589_46D5_BFD7_3114534F7E2D__INCLUDED_) 75